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Slackware: samba buffer overflow vulnerability Print E-mail
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Posted by Team   
Slackware This vulnerability, if exploited correctly, leads to an anonymous user gaining root access on a Samba serving system.

[slackware-security]  Samba security problem fixed

The samba packages in Slackware 8.1 and 9.0 have been upgraded to
Samba 2.2.8a to fix a security problem.

All sites running samba should upgrade.  

Here are the details from the Slackware 9.0 ChangeLog:
Mon Apr  7 14:26:53 PDT 2003
patches/packages/samba-2.2.8a-i386-1.tgz:  Upgraded to samba-2.2.8a.
  From the samba-2.2.8a WHATSNEW.txt:

            * IMPORTANT: Security bugfix for Samba *

  Digital Defense, Inc. has alerted the Samba Team to a serious
  vulnerability in all stable versions of Samba currently shipping.
  The Common Vulnerabilities and Exposures (CVE) project has assigned
  the ID CAN-2003-0201 to this defect.

  This vulnerability, if exploited correctly, leads to an anonymous
  user gaining root access on a Samba serving system. All versions
  of Samba up to and including Samba 2.2.8 are vulnerable. An active
  exploit of the bug has been reported in the wild. Alpha versions of
  Samba 3.0 and above are *NOT* vulnerable.

(* Security fix *)

More information may be found in the Samba 2.2.8a release notes.


Updated Samba package for Slackware 8.1:

Updated Samba package for Slackware 9.0:


Here are the md5sums for the packages:

Slackware 8.1 package:
875ef129196f56d71c833911f3156cd5  samba-2.2.8a-i386-1.tgz

Slackware 9.0 package:
d1d2b689b79a1a8dfc0ee34fd390e72c  samba-2.2.8a-i386-1.tgz


As root, stop the samba server:

. /etc/rc.d/rc.samba stop

Next, upgrade the samba package(s) with upgradepkg:

upgradepkg samba-2.2.8a-i386-1.tgz

Finally, start samba again:

. /etc/rc.d/rc.samba start


Slackware Linux Security Team

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